This journal provides immediate access to some articles. Volume 33(4); July 1958 Articles Manganese Requirement with Respect to Growth, Hill Reaction and Photosynthesis. PMCID: PMC541072 Light-dependent Oxygen Metabolism of Chloroplast Preparations. I. Stimulation Following Quinone Reduction. PMCID: PMC541073 Quantitative Assay of Chlorogenic Acid and its Pattern of Distribution within Tobacco Leaves. PMCID: PMC541074 Algal Growth in Crossed Gradients of Light Intensity and Temperature. PMCID: PMC541075 Absence of Seed Dormancy in a White Mutant Strain of Helianthus annuus L PMCID: PMC541076 A Comparison of Chlorogenic Acid and Catechol as Substrates for the Polyphenol Oxidase from Tobacco and Mushroom. PMCID: PMC541077 Endogenous Bud and Root Formation by Isolated Roots of Convolvulus Grown in Vitro. PMCID: PMC541078 The Osmotic Cell, Solute Diffusibility, and the Plant Water Economy. PMCID: PMC541079 Propagation of Turgor and Other Properties Through Cell Aggregations. PMCID: PMC541080 Osmosis and Diffusion in Tissue: Half-times and Internal Gradients. PMCID: PMC541081 Non-metabolic Uptake of Ions by Barley Roots. PMCID: PMC541082 Chemical Constitution of the Primary Cell Walls of Avena Coleoptiles. PMCID: PMC541083 Effect of Light on the Co2 Absorption and Evolution by Kalanchoë, Wheat and Pea Leaves. PMCID: PMC541084 Circulation Patterns for Phosphorus, Sulfur and Calcium in the Bean Plant. PMCID: PMC541085 Relation of Potassium Nutrition to the Translocation of 2,4-Dichlorophenoxyacetic Acid in Tomato Plants. PMCID: PMC541086 News and Notes PMCID: PMC541087 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||